| sharp(adjective, smooth, smart, practical, expert) |
| skilled(adjective, smart, familiar, knowledgeable, practical) |
| smart(adjective, smooth, practical, expert, skilled) |
| smooth(adjective, smart, practical, expert, skilled) |
| there(adjective, smooth, smart, practical, expert) |
| trained(adjective, smart, practical, expert, skilled) |
| tuned in(expression, adjective, smooth, smart, familiar) |
| up-to-date(adjective, familiar, knowledgeable, skilled, aware) |
| versed in(expression, adjective, familiar, knowledgeable, witting) |
| vet(adjective, smooth, smart, practical, expert) |
| veteran(adjective, smart, practical, expert, skilled) |
| well-informed(adjective, familiar, knowledgeable, skilled, competent) |
| well-read(knowledgeable, aware, informed, learned, well-informed) |
| well up in(expression, adjective, idiom, familiar, knowledgeable) |
| whiz(adjective, smooth, smart, practical, expert) |
| wicked(adjective, smart, practical, expert, skilled) |
| wise to(expression, knowledgeable, witting, aware, informed) |
| wised up(expression, adjective, smooth, smart, practical) |
| with it(expression, adjective, familiar, knowledgeable, aware) |
| witting(adjective, familiar, knowledgeable, skilled, aware) |